From the Respa masters of Tibet, who practice the discipline of tumo (inner warmth) and go unclothed in subzero weather, to Claudia Gomez of Argentina, who can aim and shoot a bow and arrow using only her legs and feet, this daily tear-off desk calendar presents one incredible fact after another, taken from the archives of Ripley's Believe It or Not! and illustrated with ink drawings. Saturdays and Sundays share a peculiarity.